Motor sled



Nov. 1, 1932. R. J. wErssER MOTOR sLED Filed Oct. 2, 1829 2 Sheets-Sheet 1 Patented Nov. 1, 1932 i UNITED STATES RICHARD Josnr wnrssnn, or BigAUnhu-czncnosnovanre Application mea october a, 192e. seriaifno. 396,763.

This invention relatesto a novel motor sled and has for its object to make it possible to utilize also in Winter the benzine motor generally used on motor-cars. A special feature of the invention isv the construction of the roller of the sled which serves to propel the same, and further the use of motor-car wheels for propelling the slide on roads free from snow.

An embodiment of the invention is illustrated by way of example in the accompanying drawings in which Y Fig. 1 is a left side elevation of the sled.

Fig. 2 is a top plan view of thesled.

Fig. 3 is a right side elevation of the sled with motor-car wheels tted on the same.

Fig. 4 is a top plan view of Fig. 3.

Referring to Figs. 1 and 2 the motor 1 is removably fixed in the frame 4 by means of angle straps 1a which vat the points 1b serve as supports for a coupling lever 2 and for a coupling pedal 3. A clutch 5 is connected by a Hardy joint 6 to a Cardan shaft 7, said shaft being connected by a Hardy joint 8 to the transmission gear 9. The transmission gear 9 is mounted in the frame by angle straps 9a and it comprises three forward speeds and one reverse speed and a brake and it isspecially constructed for Cardan drive and chain 30 transmission. The usual starter mechanism for the motor l is employed, 10 being the starter-sector and 10a the hand lever of the starting device of the gear 9 for the motor 1. A shaft 11 is iiXed at 11a to the brake drum of the driving gear and j ournaled at 11b in a ball bearing. A sprocket wheel 12 keyed on shaft 1l is connected by a chain 13 with a sprocket wheel 14l of the propelling roller 15. The journals of the propelling roller 15 are journaled at the points 15a by means of ball bearings in the carrying straps 16. These carrying straps are connected to the sled frame 4 by chain-tighteners 17 and' unsupported springs 18. Rotatable springstraps 18a are connected with each other by a shaft 186V. At the point 19a a hand lever 19 is hingedly connected t0 the left springstrap 18a, a claw 195 of said hand lever being pressed from the side by a blade spring 20 intoV engagement with the teeth of a sector 21.

Vhent'he hand lever 191is disengaged'from the -teeth Vof- Athe ysectorf21 and pulled. upward, the roller 15 is resiliently pressed against-fthe; read by the 'unsupported spring 18, whereupon the claw `1% of the hand lever 19 is 55. allowed tofengage again with the teethof the sector 21. Vhen the hand lever 19 is however depressecl,tlie roller 15is lifted from the road so 'that it-rotates-freely. The roller 15 has angular callr's 22 which are of greater 60 depths at'fthe points 22a `and vgradually decrease to lesser depths at the points 225.; Gwe. ing to the Aangular shape of the callrs 22 they engage successively with the ground. Each cali; remains inthe operative position until 655 some following callrs have come into-theoperative positionj whereby a regular' propelling of the sledis obtained and the kfurther advantage isf ensured that the snow is rejected at the rotation of the roller in rearward direc-- tionV andjto the' sides.vv A'hood 23 covering the roller carries avdevice 23a designed toJ hold disc wheels. Braleclaws 24-are connectedby" hingedf'rod's 24a to a brake lever 24??. 25a is a hand lever of the controlv seg- 7'5 ment 25 which is connected with theV gear by means of -hinged-,rods 25?). 26 is a pedal lever connected by a'hinged rod 26a` with the driving gear brake.V 27 is a benzine tank `and.

k27afthe' -pi'pefrem the same. 28 is an oiltank and2Sathepipe`from thesame. When the pedals 3 any L26 are not being used, the feet of the operator `may rest; yupon the yfoot rests-3a@ 'i Y l '.Figs.i 3 and 4 show that the front part ofv 85 j the motor! sled is 'hingedly connected to the rear part of the same-at'the points 29 and that i the runners 4a for the front portion are composed ofitwo-parts and hingedly connected at the points`30 by a gauge rod 30a, in order to 90 ensure parallel gauging of the front portion Y of the sled. rllhe steering wheel 31 is connected by a steering lever 32 and push rod 33 to the front part of the left runner. j When the steering wheel 31 is rotated, the push rod 95 33 pushes the left runner to the left or to the right so that the front runner portion forms an angle with the frame 4 and the sled can move in a curve. The sled is fitted with j wheels 34 so that it can be used also on snow 100 free roads. The wheels are mounted on hubs 35 provided on the sides ofthe propeller roller. The operation` of the motor sled is as follows:

After the driving gear 9 has been placed in neutral position, Y the motor 1 is started by operating the hand lever a of the gearstarting mechanism 10, so that the motor runs idle. The rollery is then strongly pressed aga-inst the ground with the aid of the operating lever 19. YThe clutch 5 is disengaged by depressing of the clutch pedal 3 with the right foot, whereupon the slow speed is engaged in the driving gear 9 by means of the control lever a. When the clutch pedal 3 is released, the clutch is engaged and the sprocket wheel 14 of the roller 15 is rotated by the Cardan 7, and the driving gear 9 through the intermediary of the chain 13 so -that theY roller 15 rotates and propels the slide asV its calks 22 penetrate successively into the snow.

f To propel the sled by means of the wheels 34 the propelling roller 15 is lifted from the ground and a wheel 34 is mounted on each hub 35 at the rear of the bodyand secured in position by screws and nuts, whereupon the roller is lowered so that the sled is resting on' the wheels. The bolt in the left hinge30 is unscrewed and removed, so that the gauge rod 30a can be moved on the right hinge 30 to forward position relative to the'front runners, whereupon a third disc wheel 34 is mountedon the hub 35 of the gauge rod 30a and secured in position. The gauge rod 30a is inserted in the left hinge 30, the bolt screwed in and the sled is mounted on the wheels ready for use. When the motor is then started, the sled can run on snow-free roads like a motor-car.

I claim:- y v In a motor sled, a frame having upper and lower side bars, perpendicular connecting bars for the side bars of each pair, a motor propelled roller, leaf springs having a. journal support at one end on the perpendicular A bars and supporting theroller at their other ends, a hand lever and cooperating rack segment with the lever in communication with the journalled ends of the springs whereby the roller may be pressed against a road with the desired pressure and so maintai lever and associated rack segment.

In testimony whereof I allx my signature.-

RICHARD JOSEF WEISSER.

ned by thel 

